If you understand these processes, then you are ready to consider the physiological and behavioral effects of adding various drugs to the process, and to try your hand at predicting these effects.
As we have seen in Part 1, Brief Review; Part 2, Synaptic Communication; and Part 3, Neurotransmitters and Behavior, neurotransmitters play a key role in our neural communication. They are the chemicals responsible for most communication at the synapse. Neurotransmitters are released into the synapse to bind to receptor sites on the postsynaptic neuron and influence whether that neuron will fire.
